diff --git a/freqtrade/data/history/hdf5datahandler.py b/freqtrade/data/history/hdf5datahandler.py
index c55c0c1e5..594a1598a 100644
--- a/freqtrade/data/history/hdf5datahandler.py
+++ b/freqtrade/data/history/hdf5datahandler.py
@@ -191,11 +191,11 @@ class HDF5DataHandler(IDataHandler):
         return False
 
     @classmethod
-    def _pair_ohlcv_key(cls, pair: str, timeframe: str) -> Path:
+    def _pair_ohlcv_key(cls, pair: str, timeframe: str) -> str:
         return f"{pair}/ohlcv/tf_{timeframe}"
 
     @classmethod
-    def _pair_trades_key(cls, pair: str) -> Path:
+    def _pair_trades_key(cls, pair: str) -> str:
         return f"{pair}/trades"
 
     @classmethod